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FILE - In this April 2, 1990, file photo, UNLV coach Jerry Tarkanian chews on his towel while watching his Runnin' Rebels run over Duke University in the championship game of the Final Four in Denver. A Las Vegas hospital spokeswoman says doctors have decided to keep storied former UNLV basketball coach Tarkanian overnight for observation after a mild heart attack. Mountainview Hospital spokeswoman Amanda Powell said Tarkanian's status had not changed despite the change from plans to release him on Wednesday, March 21, 2012. (AP Photo/Ed Reinke, File)